Umbellularia californica [Bowman Lake]

An unusual collection of the ubiquitous native of western California and Oregon and possibly the highest elevation collection in the upper most reaches of the Yuba river canyon well known for the Donner party tragedy many years ago. in habitat these are often broken from over 50ft of snow, the tops often shorn from its blowing. in more generous climes to 30 ft with an upright pyramidal shape with upturned narrow dark green leaves attractively blue on the undersides. Summer drought tolerant full sun to dappled shade. possibly the hardiest in cultivation USDA zone 6 or below